LED SCREEN CODE Help PLease

Hi, I am a new user and have uploaded Ver1.6.12, running a Arduino UNO All I want to do is run 4 64x16 in series LED displays P10's if you know them It's running fine but I cant find a smoother scrolling Marque example The DMD2 is pretty ordinary. Any help available. It's probably a no brainer for you Vets ;)